Chemical Reaction Engineering When a catalyst increases the rate of forward reaction, the value of rate constant Remain same Decreases Becomes infinite Increases Remain same Decreases Becomes infinite Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a zero order reaction, reactants concentration does not change with time and the Time for half change is independent of the initial concentration Time for completion of the reaction is independent of the initial concentration Reaction rate is trebled when the initial concentration is trebled Time for half change is half the time taken for completion of the reaction Time for half change is independent of the initial concentration Time for completion of the reaction is independent of the initial concentration Reaction rate is trebled when the initial concentration is trebled Time for half change is half the time taken for completion of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The optimum performance for reactors operating in parallel is obtained when the feed stream is distributed in such a way, that the Space time for each parallel line is same Larger reactors have more space time compared to smaller ones None of these Space time for parallel lines is different Space time for each parallel line is same Larger reactors have more space time compared to smaller ones None of these Space time for parallel lines is different ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Exothermic reactions are best carried out in CSTR in series A plug flow reactor followed by CSTR CSTR followed by a plug flow reactor A CSTR CSTR in series A plug flow reactor followed by CSTR CSTR followed by a plug flow reactor A CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering B.E.T. method can be used to determine the __________ of a porous catalyst. All of these Surface area Solid density Pore volume All of these Surface area Solid density Pore volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus) Tan hT/T None of these Tan hT/tan T Tan T/T Tan hT/T None of these Tan hT/tan T Tan T/T ANSWER DOWNLOAD EXAMIANS APP
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